Mexico Pick S238s, MPM 276s Specimen 500 Pesos 19xx (1909-10) Series E, No Signatures, WBG 60 Uncirculated. ABNCO Red Order Number “F2064” to right of 19xx in UR, and Archival Violet Date Stamp “JUN 30 1909“ in UR reverse corner. Crisp antique banknote with lovely color, and absolutely amazing centering! Pick Specimen price $1,000.00 and 2010 MPM $800.00.